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  Home > European Model Railways > Roco > Roco DCC Digital Control > Roco DCC Help and information > Roco Z21 > Roco Z21 Part11: Controlling a digital turntable

The update that allows routes to be controlled has allowed us to set up a Turntable with the LDT Turntable decoder.    I have placed commands for each of the turntable functions and exits on a picture of the turntable - it is so easy to manually control a roundhouse.  I have also used a Lenz LK200 reverse loop module to switch the polarity of the bridge tracks so that you do not get a short as the Turntable rotates.

10820Part - Spare plug for Z21
RO10820P10820Part - Spare plug for Z21
 Roco  10820part Spare two pole track power plug for Roco Z21.  DCC Control   In Stock 
12200 LK200 Reverse-loop module
LENZ1220012200 LK200 Reverse-loop module

Lenz  12200 LK200 Reverse-loop module 

This newly developed module LK200 is safe due to fault current principle, polarity change takes place at 100mA residual current, indicated by LED. Switching is carried out electronically without  a relay giving high change speed and no mechanical wear. Wiring is very easy (like LK100), no additional control connections, sensor tracks or the like required. Maximum load capacity: 5A.

The LK200 is the real solution for reverse loops, triangles and turntables: easy wiring, high switching speed and as much safety as possible.  Make you reverse sections long enough to accommadate the longest train that will use them so that you do not bridge both ends of the insulated track at the same time.


The LK200 is not intended to switch polarity on the frogs (Vee) of Electrofrog diamond crossovers  (Peco SL-E193 SL-E194...)

Link to LK200 Manual - PDF with German, English and French instructions


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